52503400 has 48 divisors (see below), whose sum is σ = 123652800. Its totient is φ = 20729280.

The previous prime is 52503397. The next prime is 52503401. The reversal of 52503400 is 430525.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52503401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14139 + ... + 17461.

It is an arithmetic number, because the mean of its divisors is an integer number (2576100).

Almost surely, 2^52503400 is an apocalyptic number.

52503400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52503400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61826400).

52503400 is an abundant number, since it is smaller than the sum of its proper divisors (71149400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52503400 is a wasteful number, since it uses less digits than its factorization.

52503400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3418 (or 3409 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 52503400 is about 7245.9229915864. The cubic root of 52503400 is about 374.4517024138.

Adding to 52503400 its reverse (430525), we get a palindrome (52933925).

The spelling of 52503400 in words is "fifty-two million, five hundred three thousand, four hundred".